Definition of albumin

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Albumin (n.) A thick, viscous nitrogenous substance, which is the chief and characteristic constituent of white of eggs and of the serum of blood, and is found in other animal substances, both fluid and solid, also in many plants. It is soluble in water and is coagulated by heat and by certain chemical reagents..

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Peptic :: Peptic (a.) Pertaining to pepsin; resembling pepsin in its power of digesting or dissolving albuminous matter; containing or yielding pepsin, or a body of like properties; as, the peptic glands..
Xanthoproteic :: Xanthoproteic (a.) Pertaining to, or derived from, xanthoprotein; showing the characters of xanthoprotein; as, xanthoproteic acid; the xanthoproteic reaction for albumin..
Coagulation :: Coagulation (n.) The change from a liquid to a thickened, curdlike, insoluble state, not by evaporation, but by some kind of chemical reaction; as, the spontaneous coagulation of freshly drawn blood; the coagulation of milk by rennet, or acid, and the coagulation of egg albumin by heat. Coagulation is generally the change of an albuminous body into an insoluble modification..
Plastide :: Plastide (n.) A formative particle of albuminous matter; a monad; a cytode. See the Note under Morphon.
Ptomaine :: Ptomaine (n.) One of a class of animal bases or alkaloids formed in the putrefaction of various kinds of albuminous matter, and closely related to the vegetable alkaloids; a cadaveric poison. The ptomaines, as a class, have their origin in dead matter, by which they are to be distinguished from the leucomaines..
Indol :: Indol (n.) A white, crystalline substance, C8H7N, obtained from blue indigo, and almost all indigo derivatives, by a process of reduction. It is also formed from albuminous matter, together with skatol, by putrefaction, and by fusion with caustic potash, and is present in human excrement, as well as in the intestinal canal of some herbivora..
Fibrinogen :: Fibrinogen (n.) An albuminous substance existing in the blood, and in other animal fluids, which either alone or with fibrinoplastin or paraglobulin forms fibrin, and thus causes coagulation..
Albuminate :: Albuminate (n.) A substance produced by the action of an alkali upon albumin, and resembling casein in its properties; also, a compound formed by the union of albumin with another substance..
Meroblast :: Meroblast (n.) An ovum, as that of a mammal, only partially composed of germinal matter, that is, consisting of both a germinal portion and an albuminous or nutritive one; -- opposed to holoblast..
Peptone :: Peptone (n.) The soluble and diffusible substance or substances into which albuminous portions of the food are transformed by the action of the gastric and pancreatic juices. Peptones are also formed from albuminous matter by the action of boiling water and boiling dilute acids.
Skatol :: Skatol (n.) A constituent of human faeces formed in the small intestines as a product of the putrefaction of albuminous matter. It is also found in reduced indigo. Chemically it is methyl indol, C9H9N..
Casein :: Casein (n.) A proteid substance present in both the animal and the vegetable kingdom. In the animal kingdom it is chiefly found in milk, and constitutes the main part of the curd separated by rennet; in the vegetable kingdom it is found more or less abundantly in the seeds of leguminous plants. Its reactions resemble those of alkali albumin..
Albuminoid :: Albuminoid (n.) One of a class of organic principles (called also proteids) which form the main part of organized tissues.
Albuminoidal :: Albuminoidal (a.) Of the nature of an albuminoid.
Mucin :: Mucin (n.) An albuminoid substance which is contained in mucus, and gives to the latter secretion its peculiar ropy character. It is found in all the secretions from mucous glands, and also between the fibers of connective tissue, as in tendons. See Illust. of Demilune..
Metalbumin :: Metalbumin (n.) A form of albumin found in ascitic and certain serous fluids. It is sometimes regarded as a mixture of albumin and mucin.
Albuminin :: Albuminin (n.) The substance of the cells which inclose the white of birds' eggs.
Legumin :: Legumin (n.) An albuminous substance resembling casein, found as a characteristic ingredient of the seeds of leguminous and grain-bearing plants..
Myosin :: Myosin (n.) An albuminous body present in dead muscle, being formed in the process of coagulation which takes place in rigor mortis; the clot formed in the coagulation of muscle plasma. See Muscle plasma, under Plasma..
Albuminiparous :: Albuminiparous (a.) Producing albumin.
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